From: Anson Huang <Anson.Huang@nxp.com> To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Linux-imx@nxp.com Subject: [PATCH] clocksource/drivers/imx-tpm: Add support for ARM64 Date: Wed, 1 Apr 2020 12:27:02 +0800 [thread overview] Message-ID: <1585715222-24489-1-git-send-email-Anson.Huang@nxp.com> (raw) Allows building and compile-testing the i.MX TPM driver also for ARM64. The delay_timer is only supported on ARMv7. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- drivers/clocksource/timer-imx-tpm.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 6334a35..2cdc077 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -61,17 +61,19 @@ static inline void tpm_irq_acknowledge(void) writel(TPM_STATUS_CH0F, timer_base + TPM_STATUS); } -static struct delay_timer tpm_delay_timer; - static inline unsigned long tpm_read_counter(void) { return readl(timer_base + TPM_CNT); } +#if defined(CONFIG_ARM) +static struct delay_timer tpm_delay_timer; + static unsigned long tpm_read_current_timer(void) { return tpm_read_counter(); } +#endif static u64 notrace tpm_read_sched_clock(void) { @@ -144,9 +146,11 @@ static struct timer_of to_tpm = { static int __init tpm_clocksource_init(void) { +#if defined(CONFIG_ARM) tpm_delay_timer.read_current_timer = &tpm_read_current_timer; tpm_delay_timer.freq = timer_of_rate(&to_tpm) >> 3; register_current_timer_delay(&tpm_delay_timer); +#endif sched_clock_register(tpm_read_sched_clock, counter_width, timer_of_rate(&to_tpm) >> 3); -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Anson Huang <Anson.Huang@nxp.com> To: daniel.lezcano@linaro.org, tglx@linutronix.de, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Linux-imx@nxp.com Subject: [PATCH] clocksource/drivers/imx-tpm: Add support for ARM64 Date: Wed, 1 Apr 2020 12:27:02 +0800 [thread overview] Message-ID: <1585715222-24489-1-git-send-email-Anson.Huang@nxp.com> (raw) Allows building and compile-testing the i.MX TPM driver also for ARM64. The delay_timer is only supported on ARMv7. Signed-off-by: Anson Huang <Anson.Huang@nxp.com> --- drivers/clocksource/timer-imx-tpm.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/clocksource/timer-imx-tpm.c b/drivers/clocksource/timer-imx-tpm.c index 6334a35..2cdc077 100644 --- a/drivers/clocksource/timer-imx-tpm.c +++ b/drivers/clocksource/timer-imx-tpm.c @@ -61,17 +61,19 @@ static inline void tpm_irq_acknowledge(void) writel(TPM_STATUS_CH0F, timer_base + TPM_STATUS); } -static struct delay_timer tpm_delay_timer; - static inline unsigned long tpm_read_counter(void) { return readl(timer_base + TPM_CNT); } +#if defined(CONFIG_ARM) +static struct delay_timer tpm_delay_timer; + static unsigned long tpm_read_current_timer(void) { return tpm_read_counter(); } +#endif static u64 notrace tpm_read_sched_clock(void) { @@ -144,9 +146,11 @@ static struct timer_of to_tpm = { static int __init tpm_clocksource_init(void) { +#if defined(CONFIG_ARM) tpm_delay_timer.read_current_timer = &tpm_read_current_timer; tpm_delay_timer.freq = timer_of_rate(&to_tpm) >> 3; register_current_timer_delay(&tpm_delay_timer); +#endif sched_clock_register(tpm_read_sched_clock, counter_width, timer_of_rate(&to_tpm) >> 3); -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2020-04-01 4:34 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-04-01 4:27 Anson Huang [this message] 2020-04-01 4:27 ` [PATCH] clocksource/drivers/imx-tpm: Add support for ARM64 Anson Huang 2020-04-09 14:25 ` Daniel Lezcano 2020-04-09 14:25 ` Daniel Lezcano 2020-06-01 13:11 ` [tip: timers/core] " tip-bot2 for Anson Huang
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